« previous next »
« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Excitation of isolated chlorophyll by light. Excitation of isolated chlorophyll by light.
Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
Jumper cable usage guide. Follow the same connections if using a portable jump box. Jumper cable usage guide. Follow the same connections if using a portable jump box.
Indirect enzyme immunoassay. A patient's antibody reacts with the antigen, which is detected ... Indirect enzyme immunoassay. A patient's antibody reacts with the antigen, which is detected ...
Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ... Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...
A patient is talking to the nurse about her husband’s abuse and attempt to strangle her. She ... A patient is talking to the nurse about her husband’s abuse and attempt to strangle her. She ...
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library